Published at LXer:

If you upgraded today to the just-released Linux 3.2 kernel and your Intel system is now having problems booting this new kernel release, you're not alone, but here's a possible workaround. A regression struck the Linux 3.2 kernel concerning IOMMU and is still present in the final release of Linux 3.2. The issue didn't appear during the 3.2 merge window but later on in the cycle (if my memory serves me when I first struck the issue, it was around -rc2 or -rc3) and results in the kernel not successfully booting.

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